package com.lab.gulimall.product.service.impl;

import com.lab.gulimall.product.entity.AttrEntity;
import com.lab.gulimall.product.entity.CategoryEntity;
import com.lab.gulimall.product.service.AttrService;
import com.lab.gulimall.product.vo.AttrGroupWithAttrsVo;
import com.lab.gulimall.product.vo.SpuItemAttrGroupVo;
import com.mysql.cj.util.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.lab.common.utils.PageUtils;
import com.lab.common.utils.Query;

import com.lab.gulimall.product.dao.AttrGroupDao;
import com.lab.gulimall.product.entity.AttrGroupEntity;
import com.lab.gulimall.product.service.AttrGroupService;


@Service("attrGroupService")
public class AttrGroupServiceImpl extends ServiceImpl<AttrGroupDao, AttrGroupEntity> implements AttrGroupService {

    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<AttrGroupEntity> page = this.page(
                new Query<AttrGroupEntity>().getPage(params),
                new QueryWrapper<AttrGroupEntity>()
        );

        return new PageUtils(page);
    }

    @Override
    public PageUtils queryPage(Map<String, Object> params, Long catelogId) {
        //select * from attr_group where catelog id=? and (accr_group_id=key or arrr_group_name like key)
        String key = (String) params.get("key");
        QueryWrapper<AttrGroupEntity> attrGroupEntityQueryWrapper =
                new QueryWrapper<AttrGroupEntity>();
        if (!StringUtils.isNullOrEmpty(key)) {
            attrGroupEntityQueryWrapper.and((obj) -> {
                obj.eq("attr_group_id", key).or().like("attr_group_name", key);

            });
        }
        if (catelogId == 0) {
            IPage<AttrGroupEntity> page = this.page(new Query<AttrGroupEntity>().getPage(params), attrGroupEntityQueryWrapper);
            return new PageUtils(page);
        }else {
            attrGroupEntityQueryWrapper.eq("catelog_id", catelogId);
            IPage<AttrGroupEntity> page = this.page(new Query<AttrGroupEntity>().getPage(params), attrGroupEntityQueryWrapper);
            return new PageUtils(page);

        }
    }

    /*
     * 根据分类Id查出所有的分组以及这些分组里面的属性
     * */
    @Autowired
    private AttrService attrService;
    @Override
    public List<AttrGroupWithAttrsVo> getAttrGroupWithAttrsByCatelogId(Long catelogId) {
        //1.查询分组信息
        List<AttrGroupEntity> attrGroupEntities = this.list(new QueryWrapper<AttrGroupEntity>().eq("catelog_id", catelogId));
        //2.查询所有属性
        List<AttrGroupWithAttrsVo> collect = attrGroupEntities.stream().map((group) -> {
            System.out.println(group.toString());
            AttrGroupWithAttrsVo attrGroupWithAttrsVo = new AttrGroupWithAttrsVo();
            BeanUtils.copyProperties(group, attrGroupWithAttrsVo);
            List<AttrEntity> attrs = attrService.getRelationArr(attrGroupWithAttrsVo.getAttrGroupId());
            attrGroupWithAttrsVo.setAttrs(attrs);
            return attrGroupWithAttrsVo;
        }).collect(Collectors.toList());
        return collect;

    }

    @Override
    public List<SpuItemAttrGroupVo> getAttrGroupWithAttrsBySpuId(Long spuId, Long catalogId) {
        //1、查出当前spu对应的所有属性的分组信息以及当前分组下的所有属性对应的值
        AttrGroupDao baseMapper = this.getBaseMapper();
        List<SpuItemAttrGroupVo> vos = baseMapper.getAttrGroupWithAttrsBySpuId(spuId,catalogId);
        return vos;
    }


}